beater wrote:A clothing store acquired an item at a cost of x dollars and sold the item for y dollars. The store�s gross profit from the item was what percent of its cost for the item?
(1) y � x = 20
2) y / x = 5 / 4
Profit = y-x
Profit/Cost = (y-x)/x = y/x - x/x = y/x - 1.
Thus, to determine profit/cost, we need to know the value of y/x.
Question rephrased: what is y/x?
Statement 1: y-x = 20.
No way to determine the value of y/x.
Insufficient.
Statement 2: y/x = 5/4.
Sufficient.
The correct answer is
B.
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